AU667122B2 - High pressure laminate structure - Google Patents
High pressure laminate structure Download PDFInfo
- Publication number
- AU667122B2 AU667122B2 AU46810/93A AU4681093A AU667122B2 AU 667122 B2 AU667122 B2 AU 667122B2 AU 46810/93 A AU46810/93 A AU 46810/93A AU 4681093 A AU4681093 A AU 4681093A AU 667122 B2 AU667122 B2 AU 667122B2
- Authority
- AU
- Australia
- Prior art keywords
- sheet
- resin
- comprised
- article
- core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- 229920005989 resin Polymers 0.000 claims abstract description 110
- 239000011347 resin Substances 0.000 claims abstract description 110
- 238000000034 method Methods 0.000 claims abstract description 43
- 239000000835 fiber Substances 0.000 claims abstract description 34
- 239000000123 paper Substances 0.000 claims description 32
- 239000002655 kraft paper Substances 0.000 claims description 30
- 239000011241 protective layer Substances 0.000 claims description 16
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 14
- 229920000877 Melamine resin Polymers 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 13
- 229920001568 phenolic resin Polymers 0.000 claims description 12
- 239000005011 phenolic resin Substances 0.000 claims description 9
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 229920001187 thermosetting polymer Polymers 0.000 description 18
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 11
- 239000003054 catalyst Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- 229920001225 polyester resin Polymers 0.000 description 9
- 239000004645 polyester resin Substances 0.000 description 9
- 239000012790 adhesive layer Substances 0.000 description 8
- 229920006395 saturated elastomer Polymers 0.000 description 8
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000011253 protective coating Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 229920001807 Urea-formaldehyde Polymers 0.000 description 4
- 239000003082 abrasive agent Substances 0.000 description 4
- 150000008064 anhydrides Chemical class 0.000 description 4
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 4
- 238000003475 lamination Methods 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- IVJISJACKSSFGE-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine Chemical class O=C.NC1=NC(N)=NC(N)=N1 IVJISJACKSSFGE-UHFFFAOYSA-N 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical compound FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 description 2
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 2
- 238000006482 condensation reaction Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- ZQMIGQNCOMNODD-UHFFFAOYSA-N diacetyl peroxide Chemical compound CC(=O)OOC(C)=O ZQMIGQNCOMNODD-UHFFFAOYSA-N 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 2
- 239000011976 maleic acid Substances 0.000 description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 2
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 150000002978 peroxides Chemical class 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000011342 resin composition Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000012209 synthetic fiber Substances 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- WRXCBRHBHGNNQA-UHFFFAOYSA-N (2,4-dichlorobenzoyl) 2,4-dichlorobenzenecarboperoxoate Chemical compound ClC1=CC(Cl)=CC=C1C(=O)OOC(=O)C1=CC=C(Cl)C=C1Cl WRXCBRHBHGNNQA-UHFFFAOYSA-N 0.000 description 1
- NDLGGYYBMQTCLG-UHFFFAOYSA-N (4-bromobenzoyl) 4-bromobenzenecarboperoxoate Chemical compound C1=CC(Br)=CC=C1C(=O)OOC(=O)C1=CC=C(Br)C=C1 NDLGGYYBMQTCLG-UHFFFAOYSA-N 0.000 description 1
- UICXTANXZJJIBC-UHFFFAOYSA-N 1-(1-hydroperoxycyclohexyl)peroxycyclohexan-1-ol Chemical compound C1CCCCC1(O)OOC1(OO)CCCCC1 UICXTANXZJJIBC-UHFFFAOYSA-N 0.000 description 1
- IUNJCFABHJZSKB-UHFFFAOYSA-N 2,4-dihydroxybenzaldehyde Chemical compound OC1=CC=C(C=O)C(O)=C1 IUNJCFABHJZSKB-UHFFFAOYSA-N 0.000 description 1
- WFUGQJXVXHBTEM-UHFFFAOYSA-N 2-hydroperoxy-2-(2-hydroperoxybutan-2-ylperoxy)butane Chemical compound CCC(C)(OO)OOC(C)(CC)OO WFUGQJXVXHBTEM-UHFFFAOYSA-N 0.000 description 1
- YCMLQMDWSXFTIF-UHFFFAOYSA-N 2-methylbenzenesulfonimidic acid Chemical compound CC1=CC=CC=C1S(N)(=O)=O YCMLQMDWSXFTIF-UHFFFAOYSA-N 0.000 description 1
- GAOFSPAZESJCOA-UHFFFAOYSA-N 2-phenoxyethanol Chemical compound OCCOC1=CC=CC=C1.OCCOC1=CC=CC=C1 GAOFSPAZESJCOA-UHFFFAOYSA-N 0.000 description 1
- FRIBMENBGGCKPD-UHFFFAOYSA-N 3-(2,3-dimethoxyphenyl)prop-2-enal Chemical compound COC1=CC=CC(C=CC=O)=C1OC FRIBMENBGGCKPD-UHFFFAOYSA-N 0.000 description 1
- LNYYKKTXWBNIOO-UHFFFAOYSA-N 3-oxabicyclo[3.3.1]nona-1(9),5,7-triene-2,4-dione Chemical compound C1=CC(C(=O)OC2=O)=CC2=C1 LNYYKKTXWBNIOO-UHFFFAOYSA-N 0.000 description 1
- 229910015900 BF3 Inorganic materials 0.000 description 1
- 239000004342 Benzoyl peroxide Substances 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 239000004641 Diallyl-phthalate Substances 0.000 description 1
- 101100289061 Drosophila melanogaster lili gene Proteins 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 241001251094 Formica Species 0.000 description 1
- 239000002841 Lewis acid Substances 0.000 description 1
- 241000208202 Linaceae Species 0.000 description 1
- 235000004431 Linum usitatissimum Nutrition 0.000 description 1
- 101100497505 Mus musculus Ctnnd1 gene Proteins 0.000 description 1
- 239000010022 Myron Substances 0.000 description 1
- 241001439614 Myron Species 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- QUDWYFHPNIMBFC-UHFFFAOYSA-N bis(prop-2-enyl) benzene-1,2-dicarboxylate Chemical compound C=CCOC(=O)C1=CC=CC=C1C(=O)OCC=C QUDWYFHPNIMBFC-UHFFFAOYSA-N 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 150000001991 dicarboxylic acids Chemical class 0.000 description 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- SLGWESQGEUXWJQ-UHFFFAOYSA-N formaldehyde;phenol Chemical compound O=C.OC1=CC=CC=C1 SLGWESQGEUXWJQ-UHFFFAOYSA-N 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 239000002648 laminated material Substances 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000002557 mineral fiber Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 229960005323 phenoxyethanol Drugs 0.000 description 1
- OXNIZHLAWKMVMX-UHFFFAOYSA-N picric acid Chemical compound OC1=C([N+]([O-])=O)C=C([N+]([O-])=O)C=C1[N+]([O-])=O OXNIZHLAWKMVMX-UHFFFAOYSA-N 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 235000013824 polyphenols Nutrition 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 150000004053 quinones Chemical class 0.000 description 1
- -1 salt halides Chemical class 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- GJBRNHKUVLOCEB-UHFFFAOYSA-N tert-butyl benzenecarboperoxoate Chemical compound CC(C)(C)OOC(=O)C1=CC=CC=C1 GJBRNHKUVLOCEB-UHFFFAOYSA-N 0.000 description 1
- UGNWTBMOAKPKBL-UHFFFAOYSA-N tetrachloro-1,4-benzoquinone Chemical compound ClC1=C(Cl)C(=O)C(Cl)=C(Cl)C1=O UGNWTBMOAKPKBL-UHFFFAOYSA-N 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 229920006305 unsaturated polyester Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- 229960001763 zinc sulfate Drugs 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
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- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B13/08—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B96/00—Details of cabinets, racks or shelf units not covered by a single one of groups A47B43/00 - A47B95/00; General details of furniture
- A47B96/20—Furniture panels or like furniture elements
- A47B96/205—Composite panels, comprising several elements joined together
- A47B96/206—Composite panels, comprising several elements joined together with laminates comprising planar, continuous or separate layers
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B29/005—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to another layer of paper or cardboard layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/06—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions for securing layers together; for attaching the product to another member, e.g. to a support, or to another product, e.g. groove/tongue, interlocking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B2200/00—General construction of tables or desks
- A47B2200/0001—Tops
- A47B2200/001—Manufacture of table tops
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/028—Paper layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/046—Synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
- B32B2309/02—Temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
- B32B2309/12—Pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2317/00—Animal or vegetable based
- B32B2317/12—Paper, e.g. cardboard
- B32B2317/122—Kraft paper
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249924—Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity
- Y10T428/249932—Fiber embedded in a layer derived from a water-settable material [e.g., cement, gypsum, etc.]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249967—Inorganic matrix in void-containing component
- Y10T428/249968—Of hydraulic-setting material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31942—Of aldehyde or ketone condensation product
- Y10T428/31946—Next to second aldehyde or ketone condensation product
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31942—Of aldehyde or ketone condensation product
- Y10T428/31949—Next to cellulosic
- Y10T428/31964—Paper
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31942—Of aldehyde or ketone condensation product
- Y10T428/31949—Next to cellulosic
- Y10T428/31964—Paper
- Y10T428/31967—Phenoplast
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Laminated Bodies (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
This invention is directed to a high pressure process for preparing a laminate structure comprised of a fiber cementboard core having laminated to at least one surface thereof at least one intermediate resin impregnated paper sheet or lamina and a decorative resin impregnated paper sheet or lamina. The process comprises forming an assembly comprised of a fiber cementboard core having superimposed on at least one surface thereof at least one intermediate resin impregnated paper sheet and a decorative resin impregnated paper sheet, and subjecting said assembly to a temperature of at least about 100 DEG C. and a pressure of at least about 500 psi for a time effective to laminate said assembly.
Description
OPI DATE 14/02/94 APPLN. 1D 46810/93 I~ AOJP DATE 12/05/94 PCT NUMBER PCT/US93/06701 lllii111lll111111111IIUII1111 AU9346810 t7pW I WMAruL Asp'ltI At t I [O LILI) UNIIR TIll PAl I7.NT (00PI: RAI'ION IRI Air (l) (51) International Patent Classification-5 1(11)International Publication Number: WO 94/02315' B32B 27/08 Al (43) international Publication D)ate: 31 Fcbruar* '994 (01,024P (21) International Application Number: (22) International Filing Date-.
PCT US93 06701 16 Jul) 199.1(16.07.93) S(IO.92) us 1(30) Priorit) data: 07 918.S41. 21 July 199: (81) Designated States: At'. CA. Kit, I urope.:n patent (AT.
IBL. 1)1 IK. I S. 1-11 013.(OR. 1' I'l i, LU, C N L. PT. S L) Published ithd international se'arch rqworI.
667122de catns (71)Applicant: NIASCO CORPORATION jUSS1 21001 Van Blorn Road. Taylor, Ni 148180 (US).
(72) Inventor: GUYETTE. John. INI. 1641 Pond Shore Drive, Ann Arbor, I 48108 (US), (74) Agent: KA PUSTIJ. Myron, Mlasco Corporation, 2 1001 Van Born Road, Ta~lor. Nil 48180 (US).
I
(54)TIle: HIGH PRESSURE LAMINATE STRUCTURE ~-42 r~s ~12 /01 13 3---31 I I (57) Abstract I I This invention is directed to a high pressure process for preparing a laminate structure (10) comprised or a fiber cementboard core (11) having laminated to at least one surface thereof at least one intermediate resin impregnated paper sheet or lamina (41, 42) and a decorative resin impregnated paper sheet or lamina The process comprises rorming an assembly compriscd of a fiber cemcntboard core having superimposed on at least one surface thereof at least one intermediate resin impregnated paper sheet and a decorative resin impregnated paper sheet, and subjecting said assembly to a temperature of at least about 100 IC and a pressure of at least about 500 psi for a time effective to laminate said assembly.
la HIGH PRESSURE LAMINATE STRUCTURE Field of the Invention This invention relates to a method for manufacturing laminates. More particularly, it relates to a high pressure method for manufacturing high pressure laminates.
Background of the Invention High pressure laminates comprised of a core such as a particle board having a sheet laminate comprised of a plurality of resin impregnated paper sheets adhered to said core are known in the art. For example, U.S. Patent No.
4,645,717 describes such a laminate and a method for preparing such laminate. The method of preparing such 5 composite laminates, as disclosed in U.S. patent 4,645,717, 15 comprises first preparing a sheet laminate by stacking the e.
resin saturated sheets in the desired pattern and position in a mold or press where the sheets are subject to heat and high pressure sufficient to form a sheet laminate. The sheet laminate is removed from the mold or press and is oo 20 then adhered to a surface of the particle board through the use of an adhesive.
However, this procedure is a two step process Swhich is labor intensive. The first step involves stacking and arranging the thermosetting resin impregnated sheets in the mold or press and then laminating them to form a sheet laminate. The second step involves bonding the preformed sheet laminate, via a suitable adhesive, to the surface of the particle board core.
It would be economically advantageous if a high pressure laminate could be prepared in a one step process, if the resin impregnated sheets could be laminated to 9tatftlaakeepoeJPATENT 4681003 4,12 I I I a core without first having to form a sheet laminate and then adhering this preformed sheet laminate to a core in a separate procedure.
The instant invention provides such a process.
In the instant process the resin impregnated sheets are substantially simultaneously formed into a sheet laminate and the sheet laminate is laminated to the core.
Summary of the Invention According to the present invention there is provided a laminate structure prepared under high temperatures and pressures effective to consolidate said laminate structure comprising: a core comprised of fiber cementboard having a top and bottom surface; S 15 laminated to at least one of said surfaces of said core at least one intermediate resin impregnated paper :sheet; and laminated to the exposed surface of said intermediate lamina of thermosettable paper sheet a 20 thermosettable resin impregnated decorative overlay sheet.
S.According to the present invention there is further provided a method for preparing a laminate 0 structure comprising a core comprised of a fiber cementboard having a top surface and bottom surface, at least one intermediate resin impregnated paper sheet laminated to at least one of said surfaces of said core, a decorative resin impregnated overlay sheet laminated to the exposed surface of said intermediate sheet, and a protective layer disposed on said exposed surface of said overlay sheet, said method comprising: forming an assembly comprised of said core having superimposed on at least one surface thereof at least one intermediate resin impregnated sheet on said at least one siaItalooporrnf'ATENT.A6810.93 4.12 2 surface, a decorative resin impregnated overlay sheet on the exposed surface of said intermediate sheet, and a protective layer on said exposed sirface of said overlay sheet; and subjecting said assembly to temperature of at least about 1000 C and pressure of at least about 500 psi for a time sufficient to laminate said assembly and to cure said resin.
According to the present invention there is further provided a laminate article comprising a core comprised of fiber cementboard having a top and bottom surface, at least one intermediate lamina comprised of thermosettable resin impregnated sheet laminated to at least one of said surfaces of said core, and a 15 thermosettable resin impregnated overlay sheet laminated to the exposed surface of said intermediate sheet, said article being prepared by a method comprising forming an e0 assembly comprised of said core having superimposed on at least one surface thereof at least said one intermediate lamina, and an overlay sheet on the exposed surface of said intermediate sheet, and subjecting said assembly to high temperatures and pressures for a time effective to laminate said assembly.
SBrief Description of the Drawings S" 25 FIG. 1 is a cross-sectional view of the laminate structure showing, in a separate manner, the core and each sheet or group of sheets which comprises the laminate structure; FIG. 2 is a cross-sectional view of another embodiment of the laminate structure showing, in a separate manner, the core and each sheet or group of sheets which comprises the laminate structure; FIG. 3 is a top front perspective view of the laminate structure as a whole after assembly and after the slaftflraoep/pemPATENT.46810.93 4.12 2a assembly has been subjected to temperature and pressure laminate structure -has been machined to form a tongue and groove structure; FIG. 4 is a side elevational view taken along line 4 in Fig. 3; and FIG. 5 is a top rear perspective view of the laminate structure of Fig. 3.
siaItqaeep~perm/PATENT.46810.93 4.12 WO 94/02315 PCrI/US93/06701 3 Description of the Preferred Embodiment Referring to Fig. 1 a typical laminate structure 10 of one embodiment of the instant invention is illustrated. This laminate structure 10 comprises a core or substrate 11 comprised of fiber cementboard having a top side or face 12 and a bottom side or face 13. The fiber cementboard is well known to those skilled in the art and is readily commercially available. It may generally be manufactured by blending one or more natural or synthetic fibers with one or more mineral based materials such as cement and other additives. The total blend is then formed into a sheet, compressed, and cured under ambient, controlled or autoclaved conditions. Some illustrative non-limiting examples of natural fibers include flax and hemp mineralized by additives.
Some illustrative non-limiting examples of synthetic fibers include polyacryl nitrate and polyvinyl alcohol.
Other types of fibers include mineral fibers such as rock wool and slag wool, glass strands in the form of staple or network, various fibrillous synthetic networks, and cellulosic fibers.
The core sheet of fiber cementboard generally has a thickness of from about 2 to about 30 millimeters, preferably from about 3 to about 15 millimeters, and more preferably from about 4 to about 12 millimeters.
The laminate structure includes a decorative sheet 50. This decorative sheet is generally comprised of a resin saturated or impregnated fibrous sheet material which may be of a solid color or it may have some decorative design printed thereon.
Optionally, and particularly when the decorative sheet contains a printed design, one may superimpose on the decorative sheet a protective overlay sheet, represented by reference numeral 60. The overlay sheet 60 functions to protect the decorative sheet 50 against scuffing, marring and abrasion. The protective overlay sheet 60 is either transparent or becomes transparent during the lamination procedure so that the decorative sheet 50 can readily be seen through overlay sheet Instead of utilizing a protective overlay sheet to protect the decorative sheet 50, n protective coating layer (identified by reference numeral 70 in Fig. 2) may be used. The protective WO 94/02315 PCT/US93/06701 4 coating layer is either transparent or becomes transparent during the lamination procedure so that the decorative sheet 50 can readily be seen through the protective layer.
If a protective coating layer 70 is utilized it is generally comprised of a thermosetting resin, preferably a noble thermosetting resin, containing particulate abrasive material such as alumina, titanium oxide, tin oxide, zirconium oxide, diamond, alumina coated on silica, and zirconia coated on silica.
Such layer is applied onto the exposed outer surface of the decorative sheet 50, or it may be incorporated into the decorative sheet 50 in conventional ways such as by dipping, spraying, knife coater or roll coater.
A decorative sheet containing such a protective layer or overlay sheet and method for manufacturing such sheet are disclosed in U.S. Patent Nos. 4,880,689 and 4,322,468, both of which are incorporated by reference. Also disclosing laminates and methods of preparation thereof containing an abrasion resistant coating are U.S. Patent Nos. 4,255,480; 4,263,081; 4,305,987; 4,327,141; 4,395,452; 4,400,423; 4,430,375; 4,517,235; and 4,505,974, all of which are incorporated herein by reference.
If a protective overlay sheet 60 is used the overlay sheet is preferably impregnated with an abrasive material filled resin, preferably a thermosetting resin, and more preferably a noble thermosetting resin. The methods of manufacturing such overlay sheets, the resins and the abrasive materials utilized, and the sheets themselves are described, inter alia, herein and in the above disclosed patents.
In a preferred embodiment of the instant invention a protective overlay sheet is utilized. Preferably this protective overlay sheet is saturated with a resin containing a filler such as alumina oxide.
Disposed intermediate the decorative sheet 50 and the top surface 12 of the fiber cementboard core 11 is at least one, but preferably a plurality, such as from two to about eight, of resin saturated fibrous sheets 41-42. These intermediate laminae or plies are disposed between the decorative sheet 50 and the top surface 12 of core 11 to generally prevent the telegraphing of defects or patterns in the fiber cementboard surface 12 to the WO 94/02315 PCT/US93/06701 decorative sheet 50, and to impart improved impact resistance qualities to the finished product surface.
The sheets 41-42 may be comprised of any suitable fibrous sheet materials, such as cellulosic fibrous sheet materials, which can be saturated with, or can absorb, the resin solution.
Preferably they are comprised of fibrous paper sheet materials, such as kraft paper, which are impregnated with a thermosetting resin, such as from about 5 to about 75 percent by weight, for example, about 15 to 50 percent of thermosetting resin.
Preferably sheets 41-42 are comprised of kraft paper.
Preferred kraft paper is kraft paper having a weight of from about 25 to about 400 grams per square meter, preferably from about 50 to about 350 grams per square meter, and more preferably from about 100 to about 275 grams per square meter.
The laminate structure 10 may optionally include a thick kraft paper sheet 30 interposed between the intermediate laminae 41-42 and the top surface 12 of the fiber cementboard 11. The kraft paper sheet 30 is impregnated with a curable resin. Kraft paper sheet 30 is preferably lighter in weight than kraft paper sheets 41-42 and is saturated with more resin than sheets 41-42.
Thus, for example, while kraft paper sheets 41-42 have a weight of about 250 grams per square meter and contains about 28 weight percent resin, kraft paper sheet 30 weighs 225 grams per square meter and contains about 33 weight percent resin.
Weight percent resin is calculated as follows: weight of dry resin weight percent resin weight of resin weight of paper Th- top surface 12 of the fiber cementboard may optionally contain an adhesive layer (identified by reference numeral 20 in Fig. 2) disposed thereon. Such an adhesive layer may generally be used when the kraft paper sheet 30 is the same or similar to sheets 41-42, or when such kraft paper sheet 30 is not impregnated with a curable resin. However, such an adhesive layer may also be present even when the kraft paper sheet 30 is used in order to improve adhesion of said kraft paper sheet or if said kraft paper sheet 30 is not present, to improve the WO 94/02315 PCT/US93/06701 6 adhesion of the intermediate sheet 41 to the fiber cementboard surface 12.
In the embodiment illustrated in Fig. 1 the laminate structure also includes at least one, but preferably a plurality such as from two to about eight, of resin saturated sheets 44-45 disposed on the bottom surface 13 of fiber cementboard 11. These sheets and their arrangement is similar or identical to sheets 41-42 and their arrangement discussed hereinafore.
The laminate structure 10 may optionally include a kraft paper sheet 31 interposed between sheets 44-45 and the bottom surface 13 of the fiber cementboard 11. The kraft paper sheet 31 is similar or identical to kraft paper sheet 30 discussed supra.
The bottom surface 13 of the fiber cementboard may optionally contain an adhesive layer disposed thereon. Such an adhesive layer is generally used when the kraft paper sheet 31 is not impregnated with a curable resin. However, such an adhesive layer may also be present even when the kraft paper sheet 31 is impregnated with a resin in order to improve adhesion of said kraft paper sheet 31 to the bottom surface 13 of said fiber cementboard 11 or if said kraft paper sheet 31 is not present, to improve the adhesion of the lamina 44 to the bottom surface 13 of said fiber cementboard.
As also illustrated in Figure 1, the laminate structure may also optionally contain a decorative sheet 51, similar or identical to decorative sheet 50, and a protective coating or overlay sheet 61 similar or identical to protective coating or overlay sheet 60 disposed on decorative sheet The resins employed to saturate or impregnate the decorative sheets 50 and 51, overlay sheets 60 and 61, intermediate sheets 41-45 and sheets 30 and 31 are preferably thermosettable or cross-linkable resins. These resins include thermosetting polyester resins, phenolic resins and formaldehyde-type thermosetting resins. The thermosetting polyester resins, aldehyde, preferably formaldehyde, type thermosetting resins, and phenolic resins are well known to those skilled in the art and are generally commercially available.
WO 94/02315 PCT/US93/06701 7 The formaldehyde-type thermosetting resins include the melamine-formaldehyde resins, modified melamine-formaldehyde resin, urea-formaldehyde resins, phenol-formaldehyde resins, and other methylol-type resins which are heat curable in the presence of a catalyst.
One illustrative type of thermosettable modified melamineformaldehyde resin has the following formulation: formaldehyde as an aqueous solution and melamine crystal in a molar ratio of about 2:1; plasticizer such as toluene sulfonamide, ethylene glycol, diethylene glycol, polyethylene glycol, urea, 2phenoxyethanol; buffers such as sodium hydroxide, diethanolamine, triethanolamine, ammonia; and solvents such as water, isopropanol, ethanol.
Other illustrative types of thermosettible melamineformaldehyde and urea-formaldehyde resins are disclosed, inter alia, in U.S. Patent Nos. 2,773,848; 4,713,299; 3,033,823; and 3,928,706, all of which are incorporated herein by reference.
Some illustrative thermosettable phenol-formaldehyde resins are disclosed in U.S. Patent Nos. 3,672,935 and 5,066,698, incorporated herein by reference.
The thermosettable polyester resins may generally be formed by condensation reaction of anhydrides such as maleic anhydride or carboxylic acids such as maleic acid with alcohols; generally anhydrides or dicarboxylic acids with polyols such as ethylene glycol and the like, and including optionally an aromatic unsaturated polycarboxylic acid or anhydride such as phthalic acid or anhydride, isophthalic acid or anhydride, terelphthalic acid or anhydride, and the like. The bond resulting from the condensation reaction is an ester bond. Generally the mixture is dissolved in an unsaturated monomer such as styrene, the unsaturated polyesters usually being cross-linked through their double bonds in the presence of a suitable unsaturated monomer.
In the presence of catalysts, and generally of heat, the resins will cure to form a hard thermoset.
Polyester resins are formed from a variety of materials including maleic acid or anhydride, fumaric acid, phthalic acid or anhydride, or isophthalic acid, with alcohols such as ethylene glycol, propylene glycol, diethylene glycol and dipropylene WO 94/02315 PCT/US93/06701 8 glycol. The most common cross-linking agents are styrene and diallyl phthalate.
Peroxide catalysts such as benzoyl peroxide, methyl ethyl ketone peroxide, tertiary butyl perbenzoate and cumene hydroperoxide are usually added to the polyester resin to effect curing. A number of other peroxide catalysts such as cyclohexanone peroxide, 2,4-dichlorobenzoyl peroxide, bis-(parabromobenzoyl) peroxide, and acetyl peroxide, are also used.
Polymerization inhibitors are added to polyester resins to prevent polymerization of the polyester resin at room temperature in the absence of catalystv. Some typically used inhibitors include hydroquinone, paratertiary-butyl-catechol, phenolic resins, aromatic amines, pyroqallol, chloranil, picric acid and quinones.
General literature references relevant to polyester resins which may be used in preparing resin compositions in accordance with the invention are the Condensed Chemical Dictionary G.D. Hawley (Reviser), Van Nostrand Reinhold 1981, p 830; Encyclopaedia of Polymer Science and Technology, H.F.
Mark, N.G. Gaylord, and N.M. Bikales John Wiley and Sons, NY, 1969, Vol. 11, p 62-168; and U.S. Patent Nos. 3,396,067 and 2,255,313 the disclosures thereof being incorporated herein by reference.
The sheet materials, sheets 30, 31, 41-45, 50, 51, and 61 employed in the preparation of the instant laminate structure 10 may comprise any fibrous sheet materials, such as cellulosic fibrous sheet materials, which can be saturated with, or can absorb, the thermosettable resin solution, but more particularly are composed of fibrous paper sheet materials which contain and are impregnated with a thermosettable resin, such as from about 5 to 75 percent by weight, for example 15 to percent of the curable resin. The resin is heat curable and the resin composition often includes a catalyst to accelerate the cure of the resin under the heat and pressure conditions employed in forming the sheet laminate.
The catalyst is employed in an amount sufficient to provide for curing or thermosetting the resin under the heat and pressure conditions used in preparing the laminate material. Such W'O 94/02315 PCT/US93/( ;01 9 catalyst and the amounts used are well known in the art and typically, for example, may conprise Lewis acid-type catalysts, particularly Lewis acid metal salt catalysts, such as aluminum trichloride, borontrifluoride or multivalent metallic salt halides or sulfates, such as magnesium chloride or zinc sulfate, and other catalysts employed in curing thermosetting resins.
The adhesive layers 20, 21, when present, may be comprised of any suitable adhesive. Such adhesives include those based on urea-formaldehyde, phenol-formaldehyde, resorcinal, melamine, isocyanate/urethane, polyvinyl acetate, and epoxy. All such adhesives are well known in the art and are commercially available.
In a preferred embodiment the decorative sheets 50 and 51 may be a solid color sheet of alpha-cellulose paper or they may be an alpha-cellulose sheet on which there has been printed some decorative design such as a floral pattern, a wood print or r geometrical design or the l.Le. The alpha-cellulose paper preferably has a weight of from about 50 to about 200 grams per square meter, more preferably from about 80 to about 150 grams per square meter. The decorative sheet is generally impregnated with one of the noble resins such as the melamine-formaldh resins, the urea-formaldehyde resins, the polyester resins, and the like. The amount of resin present is from about 15 to about weight percent, preferably from about 25 to about 45 weight percent.
If desired and particularly when the decorative sheet is a printed design, one may optionally superimpose over the decorative sheet a protective overlay sheet 60, .i which is generally a fine quality alpha-cellulose paper sheet impregnated with an abrasive material filled noble thermosetting resin, the resin preferably being of the same class as that used to impregnate the decorative sheet 50, 51. Sheets 60, 61 are either initially transparent or the overlay sheets become transparentized during the lamination process so that the decorative sheets 50 and 51 can readily be seen through the overlay sheets 60 and 61. The alpha-cellulose sheets preferably have a weight of from about 20 to about 60 grams per square meter, preferably from about 30 to about 50 grams per square WiO 94/02315 PCr/US93/06701 meter. They preferably contain from about 45 to about 75 weight percent resin, more preferably from about 55 to about 70 weight percent resin.
Other protective overlay sheets have also been used, such as thermoplastic nonporous films. The term "noble" resins is an expression conventionally used in the trade to indicate that the resin does not undergo any significant darkening during the heat and pressure consolidated steps as contrasted with the base resins such as the phenolics which Lave a tendency to turn dark brown and sometimes black.
In the embodiment illustrated in Fig. 2 the sheet laminae are disposed on only the top surface 12 of the core fiber cementboard 11. Furthermore, the top of decorative sheet 50 has disposed thereon a protective coating layer 70 instead of a protective overlay sheet 60 of the embodiment illustrated in Fig.
1. Furthermore, an adhesive layer 20 is disposed on the top surface 12 of the core 11.
It is to be understood that in the embodiment illustrated in Fig. 2 the core fiber cementboard 11 may also have sheet laminae disposed on its bottom surface 13, while in the embodiment illustrated in Fig. 1 the core fiber cementboard 11 may have the sheet laminae disposed only on its top surface 12.
The resin impregnated kraft paper sheets 41-45, trp resin impregnated alpha-cellulose sheets 50, protective overlay sheets 61, and kraft paper sheets 30, 31, are well known to those skilled in tne art and are commercially available and may be purchased from, for example, Formica Corporation of Wayne, New Jersey.
In the one step process of the instant invention for manufacturing the laminate structure illustrated in Fig. 1, the various sheets and core 11 are stacked in a superimposed relationship sheets or plies 30, 41-42, 50 and 60 are stacked in a superimposed relationship as shown in Fig. 1 on the front side 12 of fiber cementboard core 11 and the sheets or plies 31 and 44-45, 51 and 61 are stacked in n superimposed relationship as shown in Fig. 1 on the back side 13 of the core 11 in a press or mold. Thereupon, the entire assembly is subjected to heat and pressure until consolidated into a unitary laminate structure.
WO 94/02315 PCT/UIS93/06701 11 When using a press the assembly is placed between two plates.
The plates are preferably iteel plates, and more preferably polished steel plates.
The pressures to which the assembly is subjected are from about 500 to about 2,500 psi or more, preferably from about 500 to about 2,000 psi, more preferably from about 1,000 to about 1,500 psi. The temperatures are temperatures which are effective to cure or thermoset the thermosettable resins with which the sheets are impregnated and to laminate the various sheets or plies, including the core 11. Generally, these temperatures are from about 3000 to about 2500 preferably from about 1200 to about 2000 and more preferably from about 1300 to about 1600
C.
The press time, the time the sheet core assembly is subjected to elevated pressures and temperature, is the time effective to thermoset the thermosettable resin and form the laminate structure. This time may vary depending upon the temperatures and pressures used. Generally, the higher the pressure and/or temperature the shorter the press time.
Generally, the press time is from about 5 minutes to about 120 minutes, preferably from about 5 minutes to about 30 minutes.
Once the laminate structure 10 is formed it can be machined to form a tongue lla and groove 100 structure in each individual laminate element or piece so that the laminate pieces may be joined together to form the covering. The pieces are joined together by inserting the tongue lla of one piece into a corresponding groove 100 of an adjoining piece.
The tongue lla structure is machined by cutting away a portion of the top and bottom laminated paper sheets to expose the core fiber cementboard 11. The groove 100 is formed by cutting out a portion of the core fiber cementboard 11 between the top and bottom laminated paper sheets to form the groove 100.
In order that those skilled in the art may more fully understand the inventive concept presented herein, the following example is set forth. This example is given solely by way of illustration and is not by way of limitation. All parts and percentages are by weight unless otherwise stated.
WO 94/02315 PCT/US93/06701 12 A laminating assembly is prepared by stacking, in superimposed relationship substantially as illustrated in Fig.
I: a commercially available melamine-formaldehyde resin impregnated (about 67 weight percent resin content) translucent alpha-cellulose overlay sheet (the sheet has a weight of 43 grams per square meter) a commercially available melamine-formaldehyde resin impregnated (about 35 weight percent resin content) alphacellulose print sheet (having a weight of about 110 grams per square meter) bearing a wood print design, two sheets of commercially available phenolic resin impregnated (about 28 weight percent resin content) kraft paper (having a weight of about 250 grams per square meter); and one bottom sheet of commercially available phenolic resin impregnated (about 33 weight percent resin content) kraft paper (having a weight of about 125 grams per square meter).
A second, identical assembly is prepared in the same manner.
A commercially available fiber cementboard about 6mm thick is disposed between the bottom sheet in each of the two assemblies.
Polisned press plates are placed next to the overlay sheet to sandwich the pair of back-to-back assemblies with the core fiber cementboard therebetween between the press plates and the entire assembly is consolidated, in a laminating press, at a temperature about 150° C under a pressure of 1400/in 2 for about 12 minutes.
Following lamination, the press is allowed to cool to about 1400 F and the laminated structure is removed from the press.
Claims (35)
- 7-- 13 THE CLAIMS DEFINING THE INVENTION ARE AS FOLLOWS: 1. A laminate structure prepared under high temperatures and pressures effective to consolidate said laminate structure comprising: a core comprised of fiber cementboard having a top and bottom surface; laminated to at least one of said surfaces of said core at least one intermediate resin impregnated paper sheet; and laminated to the exposed surface of said intermediate lamina of thermosettable paper sheet a thermosettabl resin impregnated decorative overlay sheet. 2. The laminate structure of claim 1 wherein said intermediate resin impregnated sheet is comprised of resin 15 impregnated kraft paper. 3. The laminate structure of claim 2 wherein said resin is comprised of phenolic resin. 4. The laminate structure of claim 3 wherein said overlay sheet is comprised of resin impregnated 20 alpha-cellulose paper. S 5. The laminate structure of claim 4 wherein said "resin is comprised of melamine formaldehyde resin. 6. The laminate structure of claim 5 wherein said overlay sheet has a protective layer disposed on its exposed surface. 7. The laminate structure of claim 6 wherein said protective layer comprises a resin impregnated alpha-cellulose protective sheet laminated to said overlay sheet. staffialkeepipermPATENT.46810,93 412 14
- 8. The laminate structure of claim 7 wherein said resin is comprised of melamine-formaldehyde resin.
- 9. The laminate structure of claim 8 wherein said protective sheet contains abrasive particles having a mean particle size of from about 5 to about 30 microns and Mohs hardness of at least about 9. The laminate structure of claim 9 wherein said high temperatures are from about 1000 C to about 2000 C.
- 11. The laminate structure of claim 10 wherein said high pressures are from about 500 psi to about 2,500 psi.
- 12. The laminate structure of claim 6 which includes .I a resin impregnated paper sheet having a higher resin content than said intermediate sheet disposed intermediate said core and said intermediate sheet and laminated to said 15 core and said intermediate sheet.
- 13. The laminate str-.Iture of claim 12 wherein said paper sheet comprises a phenolic resin impregnated kraft paper sheet.
- 14. A method for preparing a laminate structure 20 comprising a core comprised of a fiber cementboard having a top surface and bottom surface, at least one intermediate resin impregnated paper sheet laminated to at least one of said surfaces of said core, a decorative resin impregnated overlay sheet laminated to the exposed surface of said intermediate sheet, and a protective layer disposed on said exposed surface of said overlay sheet, said method comprising: forming an assembly comprised of said core having superimposed on at least one surface thereof at least one intermediate resin impregnated sheet on said at least one sIaftAaAeepIpermPATENT.4681.93 4,12 15 surface, a decorative resin impregnated overlay sheet on the exposed surface of said intermediate sheet, and a protective layer on said exposed surface of said overlay sheet; and subjecting said assembly to temperature of at least about 1000 C and pressure of at least about 500 psi for a time sufficient to laminate said assembly and to cure said resin. S 555 S 5 *5 The method of claim is at least about 1200 C.
- 16. The method of claim is at least about 1300 p.
- 17. The method of claim at least about 1,000 psi.
- 18. The method of claim resin impregnated paper sheet
- 19. The method of claim comprised of phenolic resin. 14 wherein said temperature 15 wherein said temperature 14 wherein said pressure is 14 wherein said is comprised of intermediate kraft paper. 18 wherein said resin is
- 20. The method of claim 14 wherein said resin impregnated decorative overlay sheet is comprised of alpha-cellulose paper.
- 21. The method of claim 20 wherein said resin is comprised of melamine-formalelhyde resin.
- 22. The method of claim 21 wherein said protective layer is comprised of resin impregnated paper sheet.
- 23. The method of claim 21 wherein said paper is alpha-cellulose paper. statirtafeep/porm/PATENT46810.93 4.12 16
- 24. The method of claim 23 wherein said resin is comprised of melamine-formaldehyde resin. The method of claim 14 wherein said at least one intermediate sheet, said overlay sheet, and said protective layer are superimposed on only the top surface of said core.
- 26. The method of claim 14 wherein said at least one intermediate sheet, said overlay sheet, and said protective layer are superimposed on the top and bottom surfaces of 16 said core in a back-to-back relationship.
- 27. The method of claim 26 which further includes forming a tongue and groove structure in said laminate structure. *S9* S28. A laminate article comprising a core comprised of 15 fiber cementboard having a top and bottom surface, at least one intermediate lamina comprised of thermosettable resin impregnated sheet laminated to at least one of said surfaces of said core, and a thermosettable resin 9 impregnated overlay sheet laminated to the exposed surface 20 of said intermediate sheet, said article being prepared by Sa method comprising forming an assembly comprised of said core having superimposed on at least one surface thereof at least said one intermediate lamina, and an overlay sheet on the exposed surface of said intermediate sheet, and subjecting said assembly to high temperatures and pressures for a time effective to laminate said assembly.
- 29. The article of claim 28 wherein said pressure is at least about 500 psi. The article of claim 29 wherein said temperature is at least about 1000 C. staIlfaa/eep/pemiJPATENT.46810.93 4.12 17
- 31. The article of claim 29 wherein said pressure is at least about 1,000 psi.
- 32. The article of claim 30 wherein said temperature is at least about 1200 C.
- 33. The article of claim 32 wherein said temperature is at least about 1300 C.
- 34. The article of claim 28 wherein in said method a protective layer is superimposed on the exposed surface of said overlay sheet.
- 35. The article of claim 30 wherein in said method a protective layer is superimposed on the exposed surface of said overlay sheet.
- 36. The article of claim 28 wherein said intermediate resin impregnated paper sheet is comprised of kraft paper.
- 37. The article of claim 36 wherein said resin is comprised of phenolic resin.
- 38. The article of claim 28 wherein said resin S.. impregnated decorative overlay sheet is comprised of alpha-cellulose paper. *.q
- 39. The article of claim 38 wherein said resin is comprised of melamine-formaldehyde resin. The article of claim 39 wherein said protective layer is comprised of resin impregnated paper sheet.
- 41. The article of claim 41 wherein said paper is alpha-cellulose paper. staff/ialeeplpermlPATENT.4681,.93 4,12 u 18
- 42. The article of claim 41 wherein said resin is comprised of melamine-formaldehyde resin.
- 43. The article of claim 28 wherein in said method at least one intermediate sheet, said overlay sheet, and said protective layer are superimposed on only the top surface of said core.
- 44. The article of claim 28 wherein in said method at least one intermediate sheet, said overlay sheet, and said protective layer are superimposed on the top and bottom surfaces of said core in back-to-back relationship. The article of claim 28 which further includes forming a tongue and groove structure in the sides of said laminate article.
- 46. A laminate structure substantially as So: 15 hereinbefore described with reference to drawings 1 to 6**
- 47. A laminate article substantially as hereinbefore described with reference to drawings 1 to
- 48. A method for preparing a laminate structure substantially as hereinbefore described with reference to 20 drawings 1 to DATED THIS 1st DAY OF DECEMBER 1995 MASCO CORPORATION By Its Patent Attorneys: GRIFFITH HACK CO., Fellows Institute of Patent Attorneys of Australia itafftiakeplporm/PATEN.46810,93 4.12
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/918,542 US5425986A (en) | 1992-07-21 | 1992-07-21 | High pressure laminate structure |
PCT/US1993/006701 WO1994002315A1 (en) | 1992-07-21 | 1993-07-16 | High pressure laminate structure |
US918542 | 1997-08-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU4681093A AU4681093A (en) | 1994-02-14 |
AU667122B2 true AU667122B2 (en) | 1996-03-07 |
Family
ID=25440551
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU46810/93A Ceased AU667122B2 (en) | 1992-07-21 | 1993-07-16 | High pressure laminate structure |
Country Status (8)
Country | Link |
---|---|
US (1) | US5425986A (en) |
EP (1) | EP0608400B1 (en) |
KR (1) | KR970001182B1 (en) |
AT (1) | ATE149427T1 (en) |
AU (1) | AU667122B2 (en) |
CA (1) | CA2119259A1 (en) |
DE (1) | DE69308528T2 (en) |
WO (1) | WO1994002315A1 (en) |
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- 1993-07-16 AU AU46810/93A patent/AU667122B2/en not_active Ceased
- 1993-07-16 WO PCT/US1993/006701 patent/WO1994002315A1/en active IP Right Grant
- 1993-07-16 AT AT93917227T patent/ATE149427T1/en not_active IP Right Cessation
- 1993-07-16 EP EP19930917227 patent/EP0608400B1/en not_active Expired - Lifetime
- 1993-07-16 CA CA 2119259 patent/CA2119259A1/en not_active Abandoned
- 1993-07-16 DE DE1993608528 patent/DE69308528T2/en not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
EP0608400A4 (en) | 1994-06-06 |
EP0608400B1 (en) | 1997-03-05 |
KR970001182B1 (en) | 1997-01-29 |
AU4681093A (en) | 1994-02-14 |
US5425986A (en) | 1995-06-20 |
ATE149427T1 (en) | 1997-03-15 |
WO1994002315A1 (en) | 1994-02-03 |
DE69308528T2 (en) | 1997-11-13 |
EP0608400A1 (en) | 1994-08-03 |
CA2119259A1 (en) | 1994-02-03 |
DE69308528D1 (en) | 1997-04-10 |
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